A formofracingonpublicroadsthatisonlylegalwith a city permit. Whentwoormorecarscompeteuntilonepartyistheclearwinner. Thisdiffersfromtheabovementioneddragrace, inwhich a set distanceon a straightroadistraversed. Driverstypicallylineupwhilemovingunderthepostedspeedlimit. Onceallthecarsareready, onecarwillsounditshornthreetimes; thethirdtimeisthe final signaltostarttherun. Anothermethodofstartingtheraceistohave a spectatoractingas a starter. Normallyhe/shewillusehandsignals (alsocalledflagging) tostarttherace. A carsimplyoutrunstheothervehiclesby a considerablemargininordertowin. Ifthewinnercannotbedetermined, itisusuallydecidedupon a mutualagreement, orhavinganotherrace. Anotherwaytosignal a raceisbyflashingthevehicle's high-beams.